168016889626 has 16 divisors (see below), whose sum is σ = 252416876544. Its totient is φ = 83878020864.

The previous prime is 168016889617. The next prime is 168016889627. The reversal of 168016889626 is 626988610861.

168016889626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168016889627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981031 + ... + 4023013.

It is an arithmetic number, because the mean of its divisors is an integer number (15776054784).

Almost surely, 2^168016889626 is an apocalyptic number.

168016889626 is a deficient number, since it is larger than the sum of its proper divisors (84399986918).

168016889626 is a wasteful number, since it uses less digits than its factorization.

168016889626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45045.

The product of its (nonzero) digits is 11943936, while the sum is 61.

The spelling of 168016889626 in words is "one hundred sixty-eight billion, sixteen million, eight hundred eighty-nine thousand, six hundred twenty-six".